See also:

Remote vehicle unlocking
If you have unintentionally locked your vehicle (e.g. the SmartKey is still in the vehicle) and a replacement SmartKey is not available, the vehicle can be opened by a Mercedes-Benz Customer A ...

Important safety notes
Have the batteries changed at a qualified specialist workshop. WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death. Keep batteries out ...

Inflating the collapsible spare wheel
WARNING Inflate the collapsible spare wheel only after the wheel is properly attached. Inflate the collapsible spare wheel using the tire inflation compressor before lowering the vehicle. ...